*With* William's patch, the query works for me and the string is never
materialized (where x.xq is William's query):

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$ time bin/zorba -f -q /tmp/x.xq
# ... output elided ...
real 0m58.719s
user 0m57.956s
sys 0m0.483s
It takes longer than it should, but it does run to completion in a not-
too-long amount of time. However, the performance is pretty bad
considering:
$ time wc -l /tmp/doc.xml
1798219 /tmp/doc.xml
real 0m0.085s
user 0m0.069s
sys 0m0.016s
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Coders, which is the registrant for Zorba.
https://bugs.launchpad.net/bugs/921458
Title:
file:read-text-lines() blocking
Status in Zorba - The XQuery Processor:
New
Bug description:
I wrote the following query:
import module namespace file ="http://expath.org/ns/file&quot;;
for $line at $i in file:read-text-lines("doc.xml")
return
if($i lt 1104869) then () else concat($line, "
")
Where doc.xml is a large document.
The result of the query seems to never end and its memory footprint is huge.
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